Arithmetic and Geometry
Give preschoolers a head start on numeracy with these Number Blocks videos.
Math fact fluency: why addition and times tables matter (Stephen Sawchuk, edweek.org).
Video: What's the point of geometry?
Catriona Agg creates wonderful geometry puzzles, some of which are located here. A nice addition is the section titled Misconceptions. Check it out!
Fun & Games
Have fun every day and improve your basic arithmetic skills with the New York Times Digits game. There is also a link to archived games at the site - in case one game just isn't enough.
Euclidea geometry game. I hope you like this free game as much as I do!
Or, play Farkle online.
Grab six dice and at least one more player, and enjoy a game of Farkle!
Logic games and other diversions.
A beautiful series of videos on connections between math and music.
Desmos is a site that has a very useful online calculator, plus many other features including an annual student art contest.
A series of video lectures on mathematics in sports (University of Cambridge).
Additional Random Links
Mathologer videos - Entertaining and enlightening clips about math concepts.
3 blue 1 brown - Math ideas explained with animations.
A good, interactive site for succinct explanation of many math concepts: Math is Fun.
A favorite math blog, Math with Bad Drawings.
Engaging people with math (Grant Sanderson, Tedx Talks)
In the mood for a good think? Grab some coffee and a donut and spend some quiet time with this.
Nothing to the nothing. I enjoy Eddie Woo's lectures and here is an example.
